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3D Printed Aluminum Device Makes Low-Cost Carbon Capture Possible

3D Printed Aluminum Device Makes Low-Cost Carbon Capture Possible

Written by David

August 27, 2020

Oak Ridge National Laboratory (ORNL) engineers have 3D printed a unique aluminum device to enhance CO2 capture from fossil fuel plants and other industrial processes.

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According to the scientists, the first-of-its-kind, low-cost aluminum device focuses on a key challenge in conventional absorption of carbon using solvents – a process known to produce heat and limit carbon capture’s overall efficiency. Absorption is one of the most commonly used and economical methods for capturing CO2. It places a flue-gas stream from smokestacks in contact with a solvent such as monoethanolamine (MEA) that reacts with the gas.

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The team tested their novel circular device inside a 1-meter-tall by 8-inch-wide absorption column consisting of seven commercial stainless-steel packing elements. The ‘intensified’ device – which comes with a mass-exchanging contactor-driven heat exchanger – was installed in the top half of the column between the packing elements. 3D printing the device ensured that it could […]

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